#define _CRT_SECURE_NO_WARNINGS 1
#include <iostream>
#include <time.h>
#include <windows.h>
using namespace std;


class A
{
public:
	A(int a)
	{
		
	}
private:
	int _a;
};


class B
{
public:
	B()
	{}

private:
	A _a = A(2);

};
int main()
{
	B b;
	return 0;
}